Ring-billed Gull
Larus delawarensis
 (L 17.5" WS 48" Wt 1.1 lb)
Some migrate from North America
to winter in Ireland and England.
15Mar2009
Familiar acrobats of the air.
(Cornell Univ. “allaboutbirds”)
Belmont Harbor
Chicago
01Aug2012
Larus in Latin means rapacious
seabird; delawarensis is after
the Delaware River.
© Audubon
Society
© Wikipedia
08Aug2011
juvenile
juvenile
25Aug2011